1、ReadingReading Read the passage A aloud,and pay attention to the understanding of the passage.1234.52.Translate the following sentence into Chinese.Here is a table with metals that react most at the top,and the metals that react least at the bottom.这个表中金属反应最强的排在上面，反应最弱的排在下面.4 points1.What happens wh
2、en you heat calcium in oxygen?It burns to form an oxide.2 points5.Does copper react with water?2 pointsNo,it doesnt3.Choose the best title for Passage A.A.The different uses of metals.B.The reaction of metals.C.The reaction of metals with oxygen.B1.5 points4.Does iron have a slow or fast reaction wi
3、th steam?Iron has a slow reaction with steam.2 pointsIron has a slow reaction withsteam.Passage B(P45)How does iron react with air and with water?1.The aim of the experiment is to find out dry airair-free waterordinary water2.If we are to report an experiment,what stages should be included?Conclusio
4、n：Iron _ in dry air or _ water,but rusts in _ water.doesnt rustair-freeordinaryif iron rusts inLets do the experiment!1.Remember the methods of experiment quickly and perform the experiment in front.2.When you do the experiments,you should explain your steps in English at the same time.3.3 points ar
5、e given to the performance of experiment 1.6 points are given to experiment 2.2 points are given to experiemt 3.Watch and Write An Experiment ReportStages 1.Aim:2.Apparatus:3.Methods/Steps:firstly,secondly,.finally,4.Result:5.Conclusion:To find out if Magnesium(镁)can burn in airAn Experiment ReportA
6、im:Apparatus:Method:Result:Conclusion:To find out if Magnesium can burn in air.Firstly,light the alcohol lamp.Secondly,hold a piece of clean Magnesium over the alcohol lamp and heat it.Finally,put out the alcohol lamp.When magnesium burns in air,it shines with bright light and gives off smoke.A new
7、white solid is formed.Magnesium can burn in air.alcohol lamp match a piece of magnesium Believe in science!Appreciate science!Make good use of science!1.Why can balloons fly into the air?2.Why is there some space left between the joint(接缝；接合处)of rails?3.Why are fireworks colorful?Homework:Think about the following questions after class.Thank youEveryone!Einstein
Copyright@ 2020-2024 m.ketangku.com网站版权所有